1756-L61 Ser B FW1.9 Date 11/04. 1756-IB32/B FW3.5 32-channel digital DC24V input module.1756-OB32/A FW2.4 32-Channel digital DC24V output module. Excellent unit for small application, Lab test or self-learning. The item "Allen Bradley Controllogix 1756-A4 1756-L61 CPU 1756-ENBT In/Out Modules PLC" is in sale since Sunday, February 2, 2020. This item is in the category "Business & Industrial\Industrial Automation & Motion Controls\PLCs & HMIs\PLC Processors". The seller is "dj6465" and is located in Richmond Hill, Ontario. This item can be shipped worldwide.